John Leonard, MD
Emergency Medicine Physician · Live Oak, TX
John Leonard, MD is an emergency medicine physician with a practice address in Live Oak, Texas, and NPI 1154741155, issued on Apr 17, 2014. Check the license (Texas R3706, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Leonard
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- R3706 TX
Self-reported in NPPES; status is on the state search - Practice location
- 12412 Judson RD, Live Oak, TX 78233
- Phone
- (210) 757-7000
- Enumerated
- Apr 17, 2014
- Record last updated
- Oct 16, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 12412 Judson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roman Avila, MDHospitalist Physician1184249765
- Hanan Ayoub, M.D.Anatomic Pathology & Clinical Pathology Physician1073569778
- Cynthia Annie Boutin, FNP-CFamily Nurse Practitioner1477241651
- Eric Braseth, MDEmergency Medicine Physician1730542549
- Rohit ChauhanPhysician Assistant1255154746
- Juan Chavez, MSN-FNP-BCFamily Nurse Practitioner1447995733
Verify John Leonard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R3706Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Leonard among 4,885 emergency medicine physician records in Texas
John Leonard, MD is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2014, is newer than 63% of them.
- NPI issued2014 · 63% of these records are older, 33% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2018 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 emergency medicine physician records list a practice address in Live Oak
They are 12 of the 632 NPPES records with a practice address in Live Oak, and 4,885 emergency medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,885 in Texas → Every provider in Live Oak → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Eric Braseth, MDLive Oak, TX 782331730542549
- Erin De La Cruz, MDLive Oak, TX 782331568840569
- Rathi FahimLive Oak, TX 782331215224860
- Nurani Kester, M.D.Live Oak, TX 782331174546808
- David Liu, MDLive Oak, TX 782331205398328
- Kelsey Lytle, MDLive Oak, TX 782331043873227
- Nathanael MarsanLive Oak, TX 782331619331469
- James Ross, MDLive Oak, TX 782331255450656
Common questions
What is John Leonard, MD's NPI number?
John Leonard, MD's National Provider Identifier (NPI) is 1154741155, issued on Apr 17, 2014. An NPI identifies a provider in billing; it is not a license.
Where is John Leonard, MD located?
The NPPES record lists a practice address at 12412 Judson RD, Live Oak, TX, 78233. Phone: (210) 757-7000. Providers update this record themselves, so call before visiting.
How can I verify John Leonard, MD's license?
NPPES lists Texas license number R3706, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.